By comparison, in 2009, the first year of economic recession, saw the registration of 103,592 units.
In September alone, car sales were at a ten-year high of 15,738 units, 7.7% more than in the same period a year ago, APIA also said.
Growth was mainly driven by sales to companies, accounting for 63% of the total in January-September, but sales to individuals grew nearly 29.3% of the year in the first nine months, to 42,127 units.
Imports of used cars were approximately 15.0% lower on the year in September and 8.3% lower in the first nine months, to 346,918 units, the data showed.
In January-September 2018, car sales rose 2.5% year-on-year in the European Union. The top five countries which, together, account for 75% of the overall EU market, had a mixed evolution: increases in Spain (+11.7%), France (+6.5%) and Germany (+2.4%), and decreases in Italy (-2.8%) and UK (-7.5%).